| FASTENER LENGTH | 1.165 INCHES MINIMUM AND 1.185 INCHES MAXIMUM |
| GRIP DIAMETER | 0.194 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| GRIP LENGTH | 0.600 INCHES MINIMUM AND 0.670 INCHES MAXIMUM |
| HEAD DIAMETER | 0.545 INCHES MINIMUM AND 0.555 INCHES MAXIMUM |
| HEAD HEIGHT | 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM |
| HEAD STYLE | PAN NO. 2 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AS7475 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COBALT ALLOY OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW - EXTERNALLY RELIEVED BODY, 0.250 - 28 X 1.175, SQU |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.515 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNJF |